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Q4JHE3

- OXLA_OXYSC

UniProt

Q4JHE3 - OXLA_OXYSC

Protein

L-amino-acid oxidase

Gene
N/A
Organism
Oxyuranus scutellatus scutellatus (Australian taipan) (Coastal taipan)
Status
Reviewed - Annotation score: 3 out of 5- Experimental evidence at transcript leveli
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    • History
      Entry version 48 (01 Oct 2014)
      Sequence version 1 (02 Aug 2005)
      Previous versions | rss
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    Functioni

    Catalyzes an oxidative deamination of predominantly hydrophobic and aromatic L-amino acids, thus producing hydrogen peroxide that may contribute to the diverse toxic effects of this enzyme. Exhibits diverse biological activities, such as hemorrhage, hemolysis, edema, apoptosis of vascular endothelial cells or tumor cell lines, antibacterial and antiparasitic activities, as well as regulation of platelet aggregation. Effects of snake L-amino oxidases on platelets are controversial, since they either induce aggregation or inhibit agonist-induced aggregation. These different effects are probably due to different experimental conditions By similarity.By similarity

    Catalytic activityi

    An L-amino acid + H2O + O2 = a 2-oxo acid + NH3 + H2O2.

    Cofactori

    FAD.By similarity

    Sites

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Binding sitei90 – 901FADBy similarity
    Binding sitei109 – 1091SubstrateBy similarity
    Binding sitei280 – 2801FAD; via amide nitrogen and carbonyl oxygenBy similarity
    Binding sitei391 – 3911SubstrateBy similarity
    Binding sitei476 – 4761FADBy similarity

    Regions

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Nucleotide bindingi62 – 632FADBy similarity
    Nucleotide bindingi82 – 832FADBy similarity
    Nucleotide bindingi106 – 1094FADBy similarity
    Nucleotide bindingi483 – 4886FADBy similarity
    Nucleotide bindingi483 – 4842SubstrateBy similarity

    GO - Molecular functioni

    1. L-amino-acid oxidase activity Source: UniProtKB-EC

    GO - Biological processi

    1. apoptotic process Source: UniProtKB-KW
    2. defense response to bacterium Source: UniProtKB-KW
    3. hemolysis in other organism Source: UniProtKB-KW

    Keywords - Molecular functioni

    Antibiotic, Antimicrobial, Hemostasis impairing toxin, Oxidoreductase, Toxin

    Keywords - Biological processi

    Apoptosis, Cytolysis, Hemolysis

    Keywords - Ligandi

    FAD, Flavoprotein

    Names & Taxonomyi

    Protein namesi
    Recommended name:
    L-amino-acid oxidase (EC:1.4.3.2)
    Short name:
    LAAO
    Short name:
    LAO
    OrganismiOxyuranus scutellatus scutellatus (Australian taipan) (Coastal taipan)
    Taxonomic identifieri8667 [NCBI]
    Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiLepidosauriaSquamataBifurcataUnidentataEpisquamataToxicoferaSerpentesColubroideaElapidaeAcanthophiinaeOxyuranus

    Subcellular locationi

    Secreted By similarity

    GO - Cellular componenti

    1. extracellular region Source: UniProtKB-SubCell

    Keywords - Cellular componenti

    Secreted

    PTM / Processingi

    Molecule processing

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Signal peptidei1 – 1818By similarityAdd
    BLAST
    Chaini19 – 517499L-amino-acid oxidasePRO_5000140378Add
    BLAST

    Amino acid modifications

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Disulfide bondi29 ↔ 192By similarity
    Glycosylationi191 – 1911N-linked (GlcNAc...)Sequence Analysis
    Disulfide bondi350 ↔ 431By similarity
    Glycosylationi380 – 3801N-linked (GlcNAc...)Sequence Analysis

    Post-translational modificationi

    N-glycosylated.By similarity

    Keywords - PTMi

    Disulfide bond, Glycoprotein

    Expressioni

    Tissue specificityi

    Expressed by the venom gland.

    Interactioni

    Subunit structurei

    Homodimer; non-covalently linked.By similarity

    Structurei

    3D structure databases

    ProteinModelPortaliQ4JHE3.
    SMRiQ4JHE3. Positions 23-505.
    ModBaseiSearch...
    MobiDBiSearch...

    Family & Domainsi

    Sequence similaritiesi

    Keywords - Domaini

    Signal

    Phylogenomic databases

    HOVERGENiHBG005729.

    Family and domain databases

    InterProiIPR002937. Amino_oxidase.
    IPR001613. Flavin_amine_oxidase.
    [Graphical view]
    PfamiPF01593. Amino_oxidase. 1 hit.
    [Graphical view]
    PRINTSiPR00757. AMINEOXDASEF.

    Sequencei

    Sequence statusi: Complete.

    Sequence processingi: The displayed sequence is further processed into a mature form.

    Q4JHE3-1 [UniParc]FASTAAdd to Basket

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    MNVFFMFSLL FLAALESCAD VRRNPLEECF READYEEFLE IARNGLKKTS    50
    NPKHVVVVGA GMAGLSAAYV LAGAGHKVTL LEASERVGGR VHTYRNEKEG 100
    WYVNLGPMRL PERHRIIREY IRKFGLKLNE FFQENENAWY FIRNIRKRVW 150
    EVKKDPGVFK YPVKPSEEGK SASQLYRESL KKVIEELKRT NCSYILNKYD 200
    TYSTKEYLIK EGNLSRGAVD MIGDLLNEDS SYYLSFIESL KSDDLFSYEK 250
    RFDEIVGGFD QLPISMYQAI AEMVHLNAQV IKIQHNAEKV RVAYQTPAKT 300
    LSYVTADYVI VCSSSRAARR IYFEPPLPPK KAHALRSIHY KSGTKIFLTC 350
    SKKFWEADGI HGGKSTTDLP SRFIYYPNHN FTSGVGVIVA YTISDDADFF 400
    QSLDIKTSAD IVINDLSLIH QLPKKEIQAL CYPSMIKKWS LDKYAMGSIT 450
    SFAPYQFQDF IERVAAPVGR IYFAGEYTAR VHGWLDSTIK SGLTAARDVN 500
    RASQKPSRRQ LSNDNEL 517
    Length:517
    Mass (Da):59,070
    Last modified:August 2, 2005 - v1
    Checksum:i1509F4998BFD08A2
    GO

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    DQ088990 mRNA. Translation: AAY89680.1.

    Cross-referencesi

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    DQ088990 mRNA. Translation: AAY89680.1 .

    3D structure databases

    ProteinModelPortali Q4JHE3.
    SMRi Q4JHE3. Positions 23-505.
    ModBasei Search...
    MobiDBi Search...

    Protocols and materials databases

    Structural Biology Knowledgebase Search...

    Phylogenomic databases

    HOVERGENi HBG005729.

    Family and domain databases

    InterProi IPR002937. Amino_oxidase.
    IPR001613. Flavin_amine_oxidase.
    [Graphical view ]
    Pfami PF01593. Amino_oxidase. 1 hit.
    [Graphical view ]
    PRINTSi PR00757. AMINEOXDASEF.
    ProtoNeti Search...

    Publicationsi

    1. "Identification and analysis of venom gland-specific genes from the coastal taipan (Oxyuranus scutellatus) and related species."
      St Pierre L., Woods R., Earl S.T.H., Masci P.P., Lavin M.F.
      Cell. Mol. Life Sci. 62:2679-2693(2005) [PubMed] [Europe PMC] [Abstract]
      Cited for: NUCLEOTIDE SEQUENCE [MRNA].
      Tissue: Venom gland.

    Entry informationi

    Entry nameiOXLA_OXYSC
    AccessioniPrimary (citable) accession number: Q4JHE3
    Entry historyi
    Integrated into UniProtKB/Swiss-Prot: January 23, 2007
    Last sequence update: August 2, 2005
    Last modified: October 1, 2014
    This is version 48 of the entry and version 1 of the sequence. [Complete history]
    Entry statusiReviewed (UniProtKB/Swiss-Prot)
    Annotation programAnimal Toxin Annotation Program
    Annotation programChordata Protein Annotation Program

    Miscellaneousi

    Documents

    1. SIMILARITY comments
      Index of protein domains and families

    External Data

    Dasty 3